Knight's Armament 5.56 CRS-3 with Flash Hider

Knight's Armament CRS-3 Upper Receiver

The Knight's Armament CRS-3 represents the pinnacle of upper receiver design, built on decades of professional-grade engineering and real-world testing. This 5.56 NATO upper is purpose-built for shooters who demand uncompromising reliability and accuracy.

Key Features

• 5.56 NATO Chambering: Versatile and widely available ammunition
• Quick-Detach Flash Hider: Rapid deployment and removal without tools
• Modular Design: Compatible with standard AR-15 lower receivers
• Precision Engineering: Knight's Armament's exacting manufacturing standards
• Professional-Grade Construction: Built for demanding applications

Performance and Reliability

This upper receiver combines Knight's Armament's reputation for precision with practical features that matter in the field. The quick-detach flash hider reduces muzzle signature while remaining easy to service and adjust. The overall design prioritizes reliability under stress—whether you're training, competing, or depending on your rifle for serious purposes.

Versatility

The CRS-3 upper integrates seamlessly with standard AR-15 lower receivers, giving you flexibility in building or upgrading your rifle platform. Whether you're a competitive shooter, professional, or dedicated enthusiast, this upper delivers the performance you expect from Knight's Armament.